About Author
Titu Andreescu received his BA, MS, and PhD from the West University of Timisoara, Romania. The topic of his doctoral dissertation was "Research on Diophantine Analysis and Applications." Professor Andreescu currently teaches at the University of Texas at Dallas. Titu is past chairman of the USA Mathematical Olympiad, served as director of the MAA American Mathematics Competitions (19982003), coach of the USA International Mathematical Olympiad Team (IMO) for 10 years (19932002), director of the Mathematical Olympiad Summer Program (19952002), and leader of the USA IMO Team (19952002). In 2002
